A pleated corrugated media and method of making

(19)

(11)

EP 1 681 087 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	03.10.2007 Bulletin 2007/40

(43)	Date of publication A2:
	19.07.2006 Bulletin 2006/29

(21)	Application number: 06000570.9

(22)	Date of filing: 12.01.2006

(51)

International Patent Classification (IPC):

B01D 46/52^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR MK YU

(30)

Priority:

12.01.2005 US 34026

(71)	Applicant: AAF-McQuay Inc.
	Louisville KY 40223 (US)

(72)	Inventor:
	Choi, Kyung-Ju Louisville Kentucky 40241 (US)

(74)	Representative: Schwabe - Sandmair - Marx
	Stuntzstrasse 16 81677 München 81677 München (DE)

(54)	A pleated corrugated media and method of making

(57) A filter comprising a single length of filter material with a longitudinal axis wherein the length of filter material has a contour of elongated depressions and swells or apices substantially parallel to the longitudinal axis, the filter material further has folds substantially perpendicular to the longitudinal axis of the filter material forming pleats at substantially equal intervals. A process of making the filter and apparatus used in the process are a part of the instant invention.

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